1997715213

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{839}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 3184796160

約数和(自身を除く): 1187080947

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 433, 611, 839, 1299, 1833, 2517, 3897, 5499, 5629, 7551, 10907, 16887, 20351, 32721, 39433, 50661, 61053, 98163, 118299, 183159, 264563, 354897, 363287, 512629, 793689, 1089861, 1537887, 2381067, 3269583, 4613661, 4722731, 14168193, 17074489, 42504579, 51223467, 153670401, 221968357, 665905071, 1997715213]

約数ペア:

[(1, 1997715213), (3, 665905071), (9, 221968357), (13, 153670401), (39, 51223467), (47, 42504579), (117, 17074489), (141, 14168193), (423, 4722731), (433, 4613661), (611, 3269583), (839, 2381067), (1299, 1537887), (1833, 1089861), (2517, 793689), (3897, 512629), (5499, 363287), (5629, 354897), (7551, 264563), (10907, 183159), (16887, 118299), (20351, 98163), (32721, 61053), (39433, 50661)]